ESACCI_AEROSOL_L2_AATSR
Variables
The table below lists the variables that are present in the HARP product that results from an ingestion of ESACCI_AEROSOL_L2_AATSR data.
| field name | type | dimensions | unit | description |
|---|---|---|---|---|
| datetime | double | {time} | [seconds since 2000-01-01] | time of the measurement |
| latitude | double | {time} | [degree_north] | latitude of the ground pixel center |
| longitude | double | {time} | [degree_east] | longitude of the ground pixel center |
| latitude_bounds | double | {time, 4} | [degree_north] | corner latitudes for the ground pixel of the measurement |
| longitude_bounds | double | {time, 4} | [degree_east] | corner longitudes for the ground pixel of the measurement |
| aerosol_optical_depth | double | {time, spectral} | [] | aerosol optical depth |
| aerosol_optical_depth_uncertainty | double | {time, spectral} | [] | uncertainty of the aerosol optical depth |
| wavelength | double | {time, spectral} | [nm] | wavelengths of the measurements |
| sensor_zenith_angle | double | {time} | [degree] | sensor zenith angle for nadir view |
| solar_zenith_angle | double | {time} | [degree] | solar zenith angle for nadir view |
| index | int32 | {time} | zero-based index of the sample within the source product |
Mapping description
The table below details where and how each variable was retrieved from the input product.
| field name | mapping description | |
|---|---|---|
| datetime | path | /time[] |
| latitude | path | /latitude[] |
| longitude | path | /longitude[] |
| latitude_bounds | path | /pixel_corner_latitude1[], /pixel_corner_latitude2[], /pixel_corner_latitude3[], /pixel_corner_latitude4[] |
| description | corner latitudes for the ground pixel of the measurement | |
| longitude_bounds | path | /pixel_corner_longitude1[], /pixel_corner_longitude2[], /pixel_corner_longitude3[], /pixel_corner_longitude4[] |
| description | corner longitudes for the ground pixel of the measurement | |
| aerosol_optical_depth | path | /AOD550[], /AOD670[], /AOD870[], /AOD1600[] |
| aerosol_optical_depth_uncertainty | path | /AOD550_uncertainty[], /AOD670_uncertainty[], /AOD870_uncertainty[], /AOD1600_uncertainty[] |
| description | depending on how the data is processed, uncertainty data is not always available for all wavelengths. If the data is not available, NaN values are used. | |
| wavelength | description | fixed values |
| sensor_zenith_angle | available | optional |
| path | /satellite_zenith_at_center[] | |
| solar_zenith_angle | available | optional |
| path | /sun_zenith_at_center[] | |